Video app is ramping up efforts to maintain its US market presence in the face of scrutiny over national security, censorship and data privacy. Short video app was the world’s most downloaded non-game app over the past two months.

Twitter Inc said on March 18 that it’s expanding its content moderation rules to capture more forms of misinformation around the novel coronavirus, following a similar escalation of measures from Facebook Inc earlier in the day.

Facebook Inc will put a Covid-19 information page at the top of users’ feeds, disseminating verified material from trusted sources including the World Health Organization, to counteract the spread of falsehoods about the pandemic.

Facebook said on March 18 it would place “authoritative” coronavirus content at the top of user feeds as it scrambled to keep up with increased usage and stem the flow of misinformation on its platform and WhatsApp messaging.

TikTok operator ByteDance Inc is unusual among China’s Internet giants for the popularity it has enjoyed in the US, but others are already following in its footsteps, led by a short-video-sharing app called Likee

Alphabet Inc's YouTube, Facebook Inc and Twitter Inc warned on March 16 that more videos and other content could be erroneously removed for policy violations, as the companies empty offices and rely on automated takedown software during the coronavirus pandemic.